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package filtres;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import modeles.beans.LoginBean;

/**
 *
 * @author Fred
 */
public class LoginFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        HttpServletRequest httpRequest = (HttpServletRequest) request;
        LoginBean bean = (LoginBean) httpRequest.getSession().getAttribute("loginBean");
        
        if (bean == null || !bean.isLoggedIn()) {                       
            String contextPath = httpRequest.getContextPath();   
            String redirect = httpRequest.getRequestURI().substring(httpRequest.getRequestURI().lastIndexOf('/'));
            ((HttpServletResponse) response).sendRedirect(contextPath + "/pages/connexion.xhtml?redirect=/admin" + redirect);
        } else {
            chain.doFilter(request, response);
        }
    }

    @Override
    public void destroy() {
    }
}
